format.php
160eeba602bfmaster

format.php
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			<?php

			function phutil_console_format($format /* ... */) {
			$args = func_get_args();
			return call_user_func_array(
			array('PhutilConsoleFormatter', 'formatString'),
			$args);
			}


			function phutil_console_confirm($prompt, $default_no = true) {
			$prompt_options = $default_no ? '[y/N]' : '[Y/n]';

			do {
			$response = phutil_console_prompt($prompt.' '.$prompt_options);
			$c = trim(strtolower($response));
			} while ($c != 'y' && $c != 'n' && $c != '');
			echo "\n";

			if ($default_no) {
			return ($c == 'y');
			} else {
			return ($c != 'n');
			}
			}


			function phutil_console_prompt($prompt, $history = '') {
			echo "\n\n";
			$prompt = phutil_console_wrap($prompt.' ', 4);

			try {
			phutil_console_require_tty();
			} catch (PhutilConsoleStdinNotInteractiveException $ex) {
			// Throw after echoing the prompt so the user has some idea what happened.
			echo $prompt;
			throw $ex;
			}

			$use_history = true;
			if ($history == '') {
			$use_history = false;
			} else {
			// Test if bash is available by seeing if it can run `true`.
			list($err) = exec_manual('bash -c %s', 'true');
			if ($err) {
			$use_history = false;
			} else if (phutil_is_windows()) {
			$history = str_replace('\\', '/', $history);
			}
			}

			if (!$use_history) {
			echo $prompt;
			$response = fgets(STDIN);
			} else {
			// There's around 0% chance that readline() is available directly in PHP,
			// so we're using bash/read/history instead.
			$command = csprintf(
			'bash -c %s',
			csprintf(
			'history -r %s 2>/dev/null; '.
			'read -e -p %s; '.
			'echo "$REPLY"; '.
			'history -s "$REPLY" 2>/dev/null; '.
			'history -w %s 2>/dev/null',
			$history,
			$prompt,
			$history));

			// execx() doesn't work with input, phutil_passthru() doesn't return output.
			$response = shell_exec($command);
			}

			return rtrim($response, "\r\n");
			}


			/**
			* Soft wrap text for display on a console, respecting UTF8 character boundaries
			* and ANSI color escape sequences.
			*
			* @param string Text to wrap.
			* @param int Optional indent level.
			* @return string Wrapped text.
			*/
			function phutil_console_wrap($text, $indent = 0) {
			$lines = array();

			$width = (78 - $indent);
			$esc = chr(27);

			$break_pos = null;
			$len_after_break = 0;
			$line_len = 0;

			$line = array();
			$lines = array();

			$vector = phutil_utf8v($text);
			$vector_len = count($vector);
			for ($ii = 0; $ii < $vector_len; $ii++) {
			$chr = $vector[$ii];

			// If this is an ANSI escape sequence for a color code, just consume it
			// without counting it toward the character limit. This prevents lines
			// with bold/color on them from wrapping too early.
			if ($chr == $esc) {
			for ($ii; $ii < $vector_len; $ii++) {
			$line[] = $vector[$ii];
			if ($vector[$ii] == 'm') {
			break;
			}
			}
			continue;
			}

			$line[] = $chr;

			++$line_len;
			++$len_after_break;

			if ($line_len > $width) {
			if ($break_pos !== null) {
			$slice = array_slice($line, 0, $break_pos);
			while (count($slice) && end($slice) == ' ') {
			array_pop($slice);
			}
			$slice[] = "\n";
			$lines[] = $slice;
			$line = array_slice($line, $break_pos);

			$line_len = $len_after_break;
			$len_after_break = 0;
			$break_pos = null;
			}
			}

			if ($chr == ' ') {
			$break_pos = count($line);
			$len_after_break = 0;
			}

			if ($chr == "\n") {
			$lines[] = $line;
			$line = array();

			$len_after_break = 0;
			$line_len = 0;
			$break_pos = null;
			}
			}

			if ($line) {
			if ($line) {
			$lines[] = $line;
			}
			}

			$pre = null;
			if ($indent) {
			$pre = str_repeat(' ', $indent);
			}

			foreach ($lines as $idx => $line) {
			$lines[$idx] = $pre.implode('', $line);
			}

			return implode('', $lines);
			}


			function phutil_console_require_tty() {
			if (function_exists('posix_isatty') && !posix_isatty(STDIN)) {
			throw new PhutilConsoleStdinNotInteractiveException();
			}
			}


			/**
			* Determine the width of the terminal, if possible. Returns `null` on failure.
			*
			* @return int\|null Terminal width in characters, or null on failure.
			*/
			function phutil_console_get_terminal_width() {
			if (phutil_is_windows()) {
			// TODO: Figure out how to get this working in Windows.
			return null;
			}

			$tmp = new TempFile();

			// NOTE: We can't just execute this because it won't be connected to a TTY
			// if we do.
			$err = phutil_passthru('tput cols > %s', $tmp);

			if ($err) {
			return null;
			}

			try {
			$cols = Filesystem::readFile($tmp);
			} catch (FilesystemException $ex) {
			return null;
			}

			$cols = (int)$cols;
			if (!$cols) {
			return null;
			}

			return $cols;
			}

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libphutil/src/console/format.php160eeba602bfmaster

format.phpView Options

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libphutil/src/console/format.php
160eeba602bfmaster

format.php
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